package io.datajek.springbasics.movierecommendersystem.lesson9;



import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;



@Component
public class ContentBasedFilter implements Filter {
    private static int instances = 0;
    @Autowired
    private Movie movie;
    public ContentBasedFilter(Movie movie){
        super();
        this.movie = movie;
        instances++;
        System.out.println("ContentBasedFilter constructor called");

    }
    public Movie getMovie(){
        return movie;

    }
    public static int getInstances(){
        return ContentBasedFilter.instances;

    }
    //getrecommendations将一部电影作为输入，并且返回类似电影的列表
    public String[] getRecommendations(String movie){
        //calculate similarity between movies
        //return movie recommendations
        return new String[]{"Happy Feet","Ice Age","Shark Tale"};

    }

}
